:root{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#f5f7f8;background:#09110f;--green:#36c995;--muted:#8d9b96}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 10%,rgba(54,201,149,.16),transparent 36rem),radial-gradient(circle at 80% 100%,rgba(50,96,255,.12),transparent 34rem),#09110f}main{min-height:100vh;display:grid;place-items:center;padding:28px}.brand{position:fixed;left:34px;top:28px;display:flex;align-items:center;gap:12px}.brand>span{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--green);color:#06110d;font-weight:1000;font-size:21px}.brand b,.brand small{display:block}.brand b{font-size:16px}.brand small{color:var(--muted);font-size:11px;margin-top:3px}.login-card{width:min(100%,430px);padding:36px;border:1px solid rgba(255,255,255,.1);border-radius:26px;background:rgba(16,27,23,.88);box-shadow:0 30px 90px rgba(0,0,0,.38);backdrop-filter:blur(18px)}.eyebrow{margin:0;color:var(--green);font-size:11px;font-weight:900;letter-spacing:.15em}h1{font-size:34px;margin:8px 0 10px;letter-spacing:-.04em}.hint{color:var(--muted);font-size:13px;line-height:1.7;margin:0 0 24px}label{display:block;font-size:13px;font-weight:800;margin:15px 0}input{width:100%;height:50px;margin-top:8px;padding:0 14px;border:1px solid rgba(255,255,255,.12);border-radius:13px;background:#0d1714;color:white;font:inherit;outline:0}input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(54,201,149,.12)}button{width:100%;height:52px;margin-top:10px;border:0;border-radius:14px;background:var(--green);color:#06110d;font:inherit;font-weight:1000;cursor:pointer}button:disabled{opacity:.6;cursor:wait}.error{min-height:20px;color:#ff8f8f;font-size:13px;margin:13px 0 0}@media(max-width:620px){.brand{position:static;margin:0 0 28px}.login-card{padding:28px}main{display:block;padding-top:28px}}
.auth-tabs{display:flex;gap:8px;margin:0 0 22px;padding:5px;border:1px solid rgba(255,255,255,.1);border-radius:14px;background:rgba(9,17,15,.7)}.auth-tabs button{width:100%;height:44px;margin:0;border:0;border-radius:10px;background:transparent;color:var(--muted);font-weight:800}.auth-tabs button.active{background:var(--green);color:#06110d}.auth-tabs button:disabled{opacity:.6;cursor:wait}